Baseball/Softball Belt & Sock Combo (Youth & Adult Sizes in 16 Color Sets) Joe's USA(tm) Baseball/Softball Belt & Sock Combo Printed with Joe's USA(tm) Logo Inside. 80% acrylic/14% nylon/6% elastic* Knee-length tube sock* Fully cushioned foot. Adjustable Belts with Leather Tab. 100% Stretch Nylon Athletic Game Socks. Belt/Sock Combo available in Youth & Adult Sizes. Sets come in 11 Colors. Printed with Joe's USA(tm) Logo Inside